package day03;

public class IfDemo {
    public static void main(String[] args) {
        double price=600;
        if (price>=500){
            price*=0.8;

        }
        System.out.println(price);
        int score=555;
        if (score>=0&&score<=100){
            System.out.println("成绩合法");
        }
        System.out.println("继续执行...");
    }

}
